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    Article

    A population of highly energetic transient events in the centres of active galaxies

    Recent all-sky surveys have led to the discovery of new types of transients. These include stars disrupted by the central supermassive black hole, and supernovae that are 10–100 times more energetic than typic...

    E. Kankare, R. Kotak, S. Mattila, P. Lundqvist, M. J. Ward, M. Fraser in Nature Astronomy (2017)

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    Article

    Study of Doppler-broadened annihilation radiation in metals with a Ge(Li) detector

    We have investigated the Doppler-broadened annihilation radiation spectra arising from positron-electron annihilation in twelve metals. A plot of αX 2 vs. E F for these metals, when grouped according to the perio...

    F. Alfano, T. Reynolds, M. K. Ramaswamy in Il Nuovo Cimento B (1971-1996) (1972)